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People can't live ______ (if no, without) water.

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The young man noticed a little boy ______ (tried, trying) to hide in a dark corner.

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The young man just went on ______ (teach, teaching).

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He had no idea ______ (how could teach, how to teach) these ragged children.

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There was one thing ______ (that, what) he could do though. He could teach in a Ragged school.

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The children were barefooted, and ran up and down the narrow streets, ______ (shout and laugh, shouting and laughing).

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These two ______ (man, men) are bus drivers.

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Jim is the ______ (good, best) pupil in his class.

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May I take a message for ______ (he, him)?

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Mary is the ______ (young, youngest) in her family.